Auxiliary fixing mechanism

The utility model discloses an auxiliary fixing mechanism which comprises a transverse plate, a rack plate is fixedly installed on the transverse plate, connecting through holes are formed in the positions, close to the edges of the four corners, in the transverse plate, connecting threaded columns are installed in the connecting through holes in a sliding mode, and limiting sliding grooves are formed in the connecting threaded columns. A pressing plate is fixedly installed at the lower end of the connecting threaded column, an adjusting nut is installed on the connecting threaded column in a threaded mode, the connecting threaded column is sleeved with an extrusion spring, a limiting groove is formed in the transverse plate, limiting bolts are symmetrically installed in the limiting groove in a sliding mode, and the limiting bolts are matched with the adjusting nut. And a spring cushion is fixedly mounted on the adjusting nut. The spring cushion can be driven to move by rotating the adjusting nut, and the sp